Three-dimensional jigsaw puzzle



FIG. 1 is a top, front perspective view of a three-dimensional jigsaw puzzle embodying my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is left side elevational view thereof;

FIG. 4 is a front end elevational view of one end thereof;

FIG. 5 is a rear end elevational view of the opposite end thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a three-dimensional jigsaw puzzle, as shown and described. 